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Finding the Fourth Proportional to 394,800.48, 592,426.44 and 167,078.16

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Solution

The fourth proportional to 394,800.48, 592,426.44 and 167,078.16 is: 250,712.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,800.48 : 592,426.44 = 167,078.16 : x
  2. Step 2: Convert to fraction form
    394,800.48/592,426.44 = 167,078.16/x
  3. Step 3: Cross multiply
    394,800.48x = 592,426.44 × 167,078.16
  4. Step 4: Simplify right side
    394,800.48x = 98,981,519,530.55
  5. Step 5: Solve for x
    x = 98,981,519,530.55/394,800.48
  6. Step 6: Final answer
    x = 250,712.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.